//pembuat Program:M.ikbar
//apabila jarak kurang dari 25 cm maka lampu 1 menyala selama 2 detik setelah itu mati. 
//jika jarak lebih dari 20 cm maka lampu 2 menyala selama 8 detik setelah itu padam, 
//dan apabila push button bernilai 1 lampu 3 menyala selama 9 detik setelah itu mati. 

#define BLYNK_TEMPLATE_ID "TMPLWZ_dBky1"
#define BLYNK_DEVICE_NAME "Responsi IOT"
#define BLYNK_AUTH_TOKEN "cu3f8GTajkPhvkJeoWwjlZDuafDaQ5RI"
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Bastian";
char pass[] = "Fisabilillah";

#define led 8
#define led 7
#define led 6
#define ECHO_PIN 3
#define TRIG_PIN 4
long duration, distance;

BLYNK_WRITE(V0)
 {
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  if (pinValue == 8)
  {
    digitalWrite(8, HIGH);
  }
  else {
    digitalWrite(8, LOW);
  }
  // process received value
}

 BLYNK_WRITE(V1)
 { 
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  if (pinValue == 7)
  {
    digitalWrite(7, HIGH);
  }
  else {
    digitalWrite(7, LOW);
  }
  // process received value
}

 BLYNK_WRITE(V2)
 {
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  if (pinValue == 6)
  {
    digitalWrite(6, HIGH);
  }
  else {
    digitalWrite(6, LOW);
  }
 }  
  // process received value

 void setup() {
   Serial.begin(9600);
  Blynk.begin(auth,ssid,pass,IPAddress(103,56,206,108),8080);
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(led, OUTPUT);
 }
  


  float jarak_cm(){
    digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(5, LOW);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  return (duration * 0.034 / 2);
  }
  
 void loop() {
  float cm = jarak_cm();
  cm = jarak_cm();
 if ( cm <= 25 ) {
    digitalWrite(8, HIGH);
    delay(5000);
    digitalWrite(8, LOW);
  }
  if ( cm > 20) {
    digitalWrite(7, HIGH);
    delay(7000);
    digitalWrite(7, LOW);
  }
  Serial.print("jarak: ");
  Serial.print("cm");
  delay(1000);

  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);

  duration = pulseIn(ECHO_PIN, HIGH);
  distance = (duration * 0.034 / 2);
 
  if(distance <= 27.3){
    digitalWrite(led, HIGH);
    delay(3000);
    digitalWrite(led, LOW);
  }
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");
  delay(5);

  Blynk.run ();
 }